A number of major structural repairs completed at the beginning of the cur rent fiscal year at a cost of $1,000,000 are expected to extend the life of a building 10 years beyond the original estimate the building was $8, 190,000, and it has been depreciated by the straight- line method for 50 years. Estimated residual value is negligible and has been ignored The related accumulated depreciation account after the depreciation adjustment at the ena of the preceding fiscal year is $6, 300, 000 The original cost of (a) What has the amount of annual depreciation been in past years? (b) Wat was the original life estimate of the building? (c) To what account should the $1,000,000 be debited? (d) hat is the book value of the building after the extraor dinary repairs have been made? extraordinary repairs have been made? assuning that the repairs were completed at the very beginning of the (e) What is the expected remaining life of the building after the (f) What is the amount of straight-line depreciation for the current year, curient year